/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany // // written by Christian Daniel // // // // This program is free software; you can redistribute it and/or modify // // it under the terms of the GNU General Public License as published by // // the Free Software Foundation as version 3 of the License, or // // // // This program is distributed in the hope that it will be useful, // // but WITHOUT ANY WARRANTY; without even the implied warranty of // // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // // GNU General Public License V3 for more details. // // // // You should have received a copy of the GNU General Public License // // along with this program. If not, see . // /////////////////////////////////////////////////////////////////////////////////// #ifndef INCLUDE_NCO_H #define INCLUDE_NCO_H #include "dsp/dsptypes.h" #include "util/export.h" class SDRANGELOVE_API NCO { private: enum { TableSize = (1 << 12), }; static Real m_table[TableSize]; static bool m_tableInitialized; static void initTable(); int m_phaseIncrement; int m_phase; public: NCO(); void setFreq(Real freq, Real sampleRate); Real next(); Complex nextIQ(); }; #endif // INCLUDE_NCO_H